set m_isBeingDeleted to true (only) in SendDestroyEvent(); call it as early as possible during the window destruction to ensure that destroy event handlers can still access the full window object

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58246 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/univ/winuniv.cpp

@@ -224,7 +224,7 @@ bool wxWindow::Create(wxWindow *parent,
 
 wxWindow::~wxWindow()
 {
-    m_isBeingDeleted = true;
+    SendDestroyEvent();
 
 #if wxUSE_SCROLLBAR
     // clear pointers to scrollbar before deleting the children: they are